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230550000 = 243552953
BaseRepresentation
bin11011011110111…
…10100111110000
3121001211011010220
431233132213300
5433010100000
634513253040
75466433302
oct1557364760
9531734126
10230550000
1110915969a
1265264180
13389c2725
1422895972
15153911a0
hexdbde9f0

230550000 has 240 divisors, whose sum is σ = 784637280. Its totient is φ = 58240000.

The previous prime is 230549989. The next prime is 230550059. The reversal of 230550000 is 55032.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4349974 + ... + 4350026.

It is an arithmetic number, because the mean of its divisors is an integer number (3269322).

Almost surely, 2230550000 is an apocalyptic number.

230550000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392318640).

230550000 is an abundant number, since it is smaller than the sum of its proper divisors (554087280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230550000 is an equidigital number, since it uses as much as digits as its factorization.

230550000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 230550000 is about 15183.8730237051. The cubic root of 230550000 is about 613.1805568858.

The spelling of 230550000 in words is "two hundred thirty million, five hundred fifty thousand".